In March 2017, The federal government of the United Kingdom pulled its marketing strategies from YouTube, immediately after reviews that its adverts experienced appeared on films made up of extremist content material. The government demanded assurances that its advertising and marketing would "be delivered properly and properly". The Guardian https://monobookmarks.com/story20121100/indicators-on-%D8%A7%D9%84%D8%B3%D8%B9%D9%88%D8%AF%D9%8A%D8%A9-you-should-know